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    Question

    DDR is referred

    to_____________
    A compact disc read/write; a CD on which a computer can store, erase, and replace data. Correct Answer Incorrect Answer
    B a unit of digital storage equal to approximately one million bytes Correct Answer Incorrect Answer
    C a unit of digital storage equal to approximately one trillion bytes Correct Answer Incorrect Answer
    D an interface for RAM which makes higher transfer rates possible by more strict control of the timing of the electrical data and clock signals. Correct Answer Incorrect Answer
    E another name for Data Disc Correct Answer Incorrect Answer

    Solution

    Stands for "Double Data Rate." It is an advanced version of SDRAM, a type of computer memory. DDR-SDRAM, sometimes called "SDRAM II," can transfer data twice as fast as regular SDRAM chips. This is because DDR memory can send and receive signals twice per clock cycle.

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